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  1. M

    2 Mercruiser 5L EFI with all 16 Cylinders of 175 psi or more??

    Hello, I had a pre-purchase inspection done on a couple Mercruiser 5L EFI engines (one circa 2014 and one from 2018). The cylinder compression readings were: Port: 178,177,178,176,177,176,175,178 Stbd: 175, 177, 176,178,178,176,177,175 I was expecting readings in the 140-160 range..? Is this...
  2. M

    Run Generator while Under Way?

    Hello, Does anyone know if the generator needs to run while the engines are going? Is there an alternator? Four Winns V372 with Volvo Penta I/O. Thanks, MMP
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